Seiko Cal. 4581 - 251

The Seiko 4581-251 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-cf4dbf397ec4]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1981

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